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Window Envelopes

Find a wide range of window envelopes at Cartridge People, including C4 and DL window envelopes.

Window Envelopes
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Q-Connect Self Seal C4 Windowed Envelope 90gsm - White (250 Pack) KF3501

Q Connect Self Seal C4 Windowed Envelope 90gsm White 250 Pack KF3501 113881 F
250
Pack
  • Suitable for A4 documents
  • Self-seal closure for easy and secure mailing
  • Contains 250 envelopes per pack
  • Crafted from 90gsm white paper
£21.31
£17.76 ex. VAT
£17.76
£21.31 inc. VAT
£21.31
£17.76 ex. VAT
£17.76
£21.31 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

Self Seal C4 Windowed Envelope 90gsm - White (250 Pack) WX3501

Self Seal C4 Windowed Envelope 90gsm White 250 Pack WX3501 187888 F
250
Pack
  • C4 Size: Ideal for A4 documents.
  • 90gsm Paper: Offers a professional finish.
  • Self-Seal Closure: Ensures secure and efficient mailing.
  • Clear Window: 40 x 105mm for easy address visibility.
£21.50
£17.92 ex. VAT
£17.92
£21.50 inc. VAT
£21.50
£17.92 ex. VAT
£17.92
£21.50 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

Self Seal C4 Windowed Envelope 90gsm - Manilla (250 Pack) C490250MW

Self Seal C4 Windowed Envelope 90gsm Manilla 250 Pack C490250MW 809032 F
250
Pack
  • Quantity: 250 high-quality envelopes per pack
  • Size: C4 (324x229mm) - fits standard A4 documents
  • Closure: Convenient self-seal adhesive flap – no licking needed
  • Paper Weight: Durable 90gsm paper
£15.86
£13.22 ex. VAT
£13.22
£15.86 inc. VAT
£15.86
£13.22 ex. VAT
£13.22
£15.86 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

5 Star Value Self Seal C4 Windowed Pocket Envelope 90gsm - White (250 Pack) 638566

5 Star Value Self Seal C4 Windowed Pocket Envelope 90gsm White 250 Pack 638566 889017 F
250
Pack
  • Size: C4 (324x229mm)
  • Pack of 250 white envelopes
  • Features a convenient window for clear addressing
  • Secure press seal closure for easy use
£22.14
£18.45 ex. VAT
£18.45
£22.14 inc. VAT
£22.14
£18.45 ex. VAT
£18.45
£22.14 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

5 Star Office Peel and Seal C4 Windowed Pocket Envelope 90gsm - White (250 Pack) H90027

5 Star Office Peel and Seal C4 Windowed Pocket Envelope 90gsm White 250 Pack H90027 161334 F
250
Pack
  • Pack Size: 250 C4 (324x229mm) envelopes
  • Self-Seal & Secure: Features a self-seal closure and blue opaque interior for privacy.
  • Paper Quality: Made from 90gsm paper – lightweight but durable.
  • Professional Finish: Ideal for businesses and home offices with a window patch for addresses.
£22.14
£18.45 ex. VAT
£18.45
£22.14 inc. VAT
£22.14
£18.45 ex. VAT
£18.45
£22.14 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

Q-Connect Self Seal C4 Windowed Pocket Envelope 90gsm - Manilla (250 Pack) 9017501

Q Connect Self Seal C4 Windowed Pocket Envelope 90gsm Manilla 250 Pack 9017501 461802 F
250
Pack
  • Size: C4 (324 x 229mm) - Ideal for A4 documents
  • Secure and Convenient: Self-seal adhesive flap for easy closure
  • Durable Quality: Crafted from 90gsm paper for reliable protection
  • Pack of 250: Manilla envelopes, perfect for business or home use
£17.91
£14.92 ex. VAT
£14.92
£17.91 inc. VAT
£17.91
£14.92 ex. VAT
£14.92
£17.91 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

Self Seal C4 Windowed Envelope 90gsm - White (250 Pack)

Self Seal C4 Windowed Envelope 90gsm White 250 Pack 755370 F
250
Pack
  • C4 Size & 250 Envelopes: Ideal for standard correspondence.
  • 90gsm White Paper: Provides a professional and quality feel.
  • Window & Self-Seal: For easy addressing and secure closure.
  • UK Made & Sustainable: Ethically sourced paper from renewable forests.
This item is out of stock

Self Seal C4 Windowed Envelope 90gsm - White (250 Pack)

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Window Envelopes

Find the window envelopes for your business or personal needs with our extensive range. Including various sizes, from popular DL and C5 to C4 and C6, you’ll also find sealing options like gummed, self seal and peel & seal.

Choose from a range of paper weights, including 70gsm, 80gsm, 90gsm and 120gsm options and benefit from convenient pack sizes, from economical smaller packs up to larger packs.

Ideal for invoices, letters and important documents, our window envelopes offer a professional finish. We stock both white and manilla envelopes with windows. Browse our selection to find the right size, weight and sealing method for efficient and secure mailing.

Discover our full range of envelopes, for the secure sending of correspondence at home or work.